Battery %
I have suffered poor battery state since the update to IOS6 which I suspect has caused a lot of problems for users. One week ago, I had to charge my iPhone 4S three times during one day and still found it down to virtually nil next morning. Having complained previously to both my service provider and Apple (who both hinted that there were no problems as far as they were concerned), I decided to follow advice from the internet and backed-up my phone to iCloud, re-set the phone back to factory settings and then sync'ed everything back again. Since then, the phone has been great, losing only a few % per day, even when all the location services, wi-fi and bluetooth on.
Has Apple found what the problem was and sneaked a fix in without declaring it?